Kathryn McKenzie Tonder, MD
Family Medicine Physician · Spanaway, WA
Kathryn McKenzie Tonder, MD is a family medicine physician with a practice address in Spanaway, Washington, and NPI 1942218185, issued on Aug 3, 2006. Check the license (Washington MD00044162, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Kathryn McKenzie Tonder
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00044162 WA
Self-reported in NPPES; status is on the state search - Practice location
- 134 188TH St S, Spanaway, WA 98387
- Phone
- (253) 847-2304
- Enumerated
- Aug 3, 2006
- Record last updated
- Oct 9, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (253) 847-8857
- Medicaid ID
- 8427692 WA
- Medicare enrollment
- Enrolled (PECOS I20050804000710); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 134 188TH St S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deiter Kaizer, PA-CMedical Physician Assistant1558540385
- Latoya Richardson, RDHDental Hygienist1962070946
- Kelsey WardlowPhysician Assistant1760964316
- Sandra Werner, MDFamily Medicine Physician1639279656
- Roberta Yoshimura, PAMedical Physician Assistant1306820881
Verify Kathryn McKenzie Tonder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00044162Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average family medicine physician in 2024
2,440 Medicare Part D claims for 209 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 88 claims were for opioids.
Most prescribed
- Atorvastatin Calcium189 claims
- Levothyroxine Sodium150 claims
- Amlodipine Besylate107 claims
- Rosuvastatin Calcium92 claims
- Losartan Potassium84 claims
- Duloxetine Hcl81 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Swedish Health ServicesIssaquah, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn McKenzie Tonder among 5,534 family medicine physician records in Washington
Kathryn McKenzie Tonder, MD is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2002 · median 2009 among the 3,294 with a school on file
- Record last updated2020 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 family medicine physician records list a practice address in Spanaway
They are 5 of the 363 NPPES records with a practice address in Spanaway, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Spanaway → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Russell Steffensen, DOSpanaway, WA 983871477945319
- Linh Vu, MDSpanaway, WA 983871417976440
- Queen Wahiwe, MDSpanaway, WA 983871508183104
- Sandra Werner, MDSpanaway, WA 983871639279656
- Angela Dunn, D.O.Steilacoom, WA 983881487919965
- William Biljan, M.D.Sumner, WA 983901013029222
- Charles Kucera, MDSumner, WA 983901811004351
- Fred Leitz, M.D.Sumner, WA 983901437261658
Common questions
What is Kathryn McKenzie Tonder, MD's NPI number?
Kathryn McKenzie Tonder, MD's National Provider Identifier (NPI) is 1942218185, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn McKenzie Tonder, MD located?
The NPPES record lists a practice address at 134 188TH St S, Spanaway, WA, 98387. Phone: (253) 847-2304. Providers update this record themselves, so call before visiting.
How can I verify Kathryn McKenzie Tonder, MD's license?
NPPES lists Washington license number MD00044162, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kathryn McKenzie Tonder, MD prescribe under Medicare Part D?
In 2024, Kathryn McKenzie Tonder, MD had 2,440 Medicare Part D claims for 209 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.